This quiz works best with JavaScript enabled. Home > Class 7 > Class 7 Science Chapter 6 Respiration In Organisms – Quiz 15 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 7 Science Chapter 6 Respiration In Organisms Quiz 15 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. The process of taking at into the body is called A) Exhalation. B) Inhalation. C) Respiration. D) None of the above. Show Answer Correct Answer: B) Inhalation. 2. Which example is an activity that a fish most likely uses to maintain homeostasis within its body? A) Using camouflage to avoid predators. B) Feeding at night to regulate body temperature. C) Moving to deeper water to regulate metabolic wastes. D) Exchanging gases through its gills to regulate oxygen levels. Show Answer Correct Answer: D) Exchanging gases through its gills to regulate oxygen levels. 3. The taking in of air rich in oxygen into the body is called A) Inhalation. B) Exhalation. C) Breathing. D) Breathing Rate. Show Answer Correct Answer: A) Inhalation. 4. The changes that occur in the body to overcome small problems due to changes in surroundings is known as ..... A) Adaptation. B) Acclimatisation. C) Camouflage. D) Evolution. Show Answer Correct Answer: B) Acclimatisation. 5. What are the waste products of respiration? A) Sodium and potassium. B) Carbon dioxide and water. C) Oxygen and glucose. D) Nitrogen and methane. Show Answer Correct Answer: B) Carbon dioxide and water. 6. Which is an example of an autotroph? A) Snail. B) Sunflower. C) Mouse. D) Flea. Show Answer Correct Answer: B) Sunflower. 7. What types of organisms go through cell respiration? A) Animals only. B) Plants only. C) Non-living organisms. D) All living organisms. Show Answer Correct Answer: D) All living organisms. 8. The distance moved by an object in a unit time is called its A) Speed. B) Slowness. C) Fastness. D) None of these. Show Answer Correct Answer: A) Speed. 9. What is the symbol of gold? A) Al. B) Au. C) Ag. D) Ac. Show Answer Correct Answer: B) Au. 10. How does respiration contribute to the survival of living organisms? A) It causes fatigue and reduces the ability to survive. B) It depletes the oxygen levels in the body, leading to suffocation. C) It has no impact on the survival of living organisms. D) It provides the necessary energy for survival by producing ATP. Show Answer Correct Answer: D) It provides the necessary energy for survival by producing ATP. 11. The process by which living body throw out their waste products inside the body is called ..... A) Respiration. B) Secretion. C) Excretion. D) Phototropism. Show Answer Correct Answer: C) Excretion. 12. Can you name an example of an organism that uses anaerobic respiration? A) E. coli. B) Mushrooms. C) Goldfish. D) Yeast. Show Answer Correct Answer: D) Yeast. 13. Which of the following are the products of respiration? A) O$_{2}$ + Glucose + ATP. B) Glucose$_{ }$+ Sunlight + CO$_{2}$. C) Co $ _ {2} $ + h $ _ {2} $ o + atp. D) CO$_{2 }$+ H$_{2}$O + Sunlight. Show Answer Correct Answer: C) Co $ _ {2} $ + h $ _ {2} $ o + atp. 14. The accumulation of ..... causes muscle cramps. A) A) acetic acid. B) B) nitric acid. C) C) lactic acid. D) None of the above. Show Answer Correct Answer: C) C) lactic acid. 15. Leaf is the site of ..... and ..... process A) Respiration. B) Photosynthesis. C) Both 1 and 2. D) Secreation. Show Answer Correct Answer: C) Both 1 and 2. 16. Why do we get, muscle cramps after heavy exercise? A) It is due to the partial breakdown of glucose to produce lactic acid. B) It is due to the complete breakdown of glucose to produce lactic acid. C) It is due to the muscle cells that respire in the presence of oxygen. D) It is due to the increased supply of oxygen to muscle cells. Show Answer Correct Answer: A) It is due to the partial breakdown of glucose to produce lactic acid. 17. How do consumers get energy? A) Absorbing sunlight. B) Breaking down dead organisms. C) Soaking it up from the ground. D) Feeding on other organisms. Show Answer Correct Answer: D) Feeding on other organisms. 18. Identify X in the given equation of aerobic respiration?Glucose + X $\rightarrow$ A) Ethyl alcohol. B) Nitrogen. C) Oxygen. D) Lactic acid. Show Answer Correct Answer: C) Oxygen. 19. Which of the following ensures that the air passage does not collapse? A) Mucus glands. B) Fine hairs. C) Alveoli. D) Rings of cartilage. Show Answer Correct Answer: D) Rings of cartilage. 20. Which gas is most abundant in the air that we breathe in? A) Carbon dioxide. B) Oxygen. C) Water vapour. D) Nitrogen. Show Answer Correct Answer: D) Nitrogen. 21. During heavy exercise we get cramps in our muscles, because of the accumulation of A) Carbon dioxide. B) Lactic acid. C) Alcohol. D) Water. Show Answer Correct Answer: B) Lactic acid. 22. Energy is required for which of the following cellular functions? A) Metabolism. B) Movement. C) Growth. D) All of these require energy. Show Answer Correct Answer: D) All of these require energy. 23. The number of times a person breathes in and breathes out in a minute is called A) Birth rate. B) Death rate. C) Breathing rate. D) None of the above. Show Answer Correct Answer: C) Breathing rate. 24. In which part of the cell does respiration occur? A) Vacuole. B) Mitochondria. C) Cell wall. D) Chloroplast. Show Answer Correct Answer: B) Mitochondria. 25. What is the primary function of respiration in living organisms? A) To produce glucose from sunlight. B) To absorb water and release oxygen. C) Obtain energy from oxygen and release carbon dioxide. D) To regulate body temperature. Show Answer Correct Answer: C) Obtain energy from oxygen and release carbon dioxide. ← PreviousNext →Related QuizzesClass 7 Science Chapter 6 Respiration In Organisms Quiz 1Class 7 Science Chapter 6 Respiration In Organisms Quiz 2Class 7 Science Chapter 6 Respiration In Organisms Quiz 3Class 7 Science Chapter 6 Respiration In Organisms Quiz 4Class 7 Science Chapter 6 Respiration In Organisms Quiz 5Class 7 Science Chapter 6 Respiration In Organisms Quiz 6Class 7 Science Chapter 6 Respiration In Organisms Quiz 7Class 7 Science Chapter 6 Respiration In Organisms Quiz 8Class 7 Science Chapter 6 Respiration In Organisms Quiz 9Class 7 Science Chapter 6 Respiration In Organisms Quiz 10 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books